Java Games 640x360 Portable [better] Review

640x360 resolution (often associated with Symbian^3 and Nokia Belle devices like the Nokia N8, C7, and 5230) represents the "HD" era of J2ME (Java 2 Micro Edition)

  • Screen bit depth: 16-bit (565) vs 18-bit → dithering required.
  • Heap size: Test with Runtime.getRuntime().freeMemory() frequently.
  • Keycodes: Some devices map KEY_NUM5 differently; always support alternatives.
  • Manufacturer bugs: Sony Ericsson required Display.setCurrent(myCanvas) in a separate thread.

If you want, I can:

  • You can play the same .jar on PC with FreeJ2ME, then copy the .rms save back to Android.
Scroll to Top